'However, unscrupulous importers go outside the country to bring in these cylinders that have been discarded and have been used for over 30 years.
'Agbanyeghị, ndị na-akpalu agwa na-ebubata ihe, na-ere ahịa si n'obodo ọzọ ekpofuru ma jikwa kemgbe ihe karịrị afọ iri atọ.